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STANDARDS AND SPECIFICATIONS
AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)
Basic standard for steel pipe threads
Basic dimensional standard for all steel pipe
Code for design and construction of pressure piping systems, consisting of the following sections:
Power Piping Systems
Industrial Gas and Air Piping Systems
Petroleum Refinery Piping
Liquid Petroleum Transportation Piping
Refrigeration Piping Systems
Chemical Process Piping
Nuclear Power Piping
Gas Transmission and Distribution Piping
AMERICAN PETROLEUM INSTITUTE (API)
API Specification for Line Pipe
API Specification for High-Test Line Pipe
AMERICAN SOCIETY for TESTING and MATERIALS (ASTM)
Welded and Seamless Steel Pipe
Seamless Carbon Steel Pipe for High Temperature Service
Electric-Resistance-Welded Pipe, 30 inch and under, intended for conveying liquid, gas, or vapor
Electric-Fusion(Arc)-Welded Straight-Seam or Spiral-Seam Pipe, 4 inch and over, wall thicknesses up to 5/8 inch inclusive. Intended for conveying liquid, gas or vapor.
Welded and Seamless Steel Pipe Piles
Seamless and Welded Steel Pipe for Low Temperature Service
Plain End Seamless and Electric Welded Steel Pipe for High Pressure Pipe-Type Cable Systems
Seamless and Welded Carbon Steel Water Well Pipe
AMERICAN WATER WORKS ASSOCIATION (AWWA)
AWWA Standard for Mill-Type Steel Water Pipe
OTHER PIPE SPECIFICATIONS
Covers high-test line pipe with greater tensile and bursting strengths than pipe made to API 5L. Seamless or welded, sizes 6-5/8 inch OD – 36 inch, Grades X-42, X-46, and
X-52. Numerical designation in grade indicates minimum yield, thus X-42=42,000 lbs. min. yield steel, etc. OD, weight and wall tolerances, tensile and flattening tests and marking requirements are same as outlined in API 5L.
Covers electric-fusion (arc)-welded straight seam or spiral seam steel plate pipe 16 inch and over (ID or OD as specified by customer), with walls up to 3/4 inch inclusive. Pipe intended for conveying liquid, gas, or vapor.
Covers two grades (A and B) of electric-resistance-welded pipe, 30 inch and under, intended for conveying liquid, gas, or vapor. Only grade A is adapted for flanging and bending. Purpose for which pipe is intended should be stated in the order.
Covers two grades (A and B) of electric-fusion (arc)-welded straight-seam or spiral-seam pipe, 4 inch and over, wall thicknesses up to 5/8 inch inclusive. Pipe intended for conveying liquid, gas, or vapor.
Covers electric-fusion-welded pipe for high-temperature, high-pressure service. Generally in sizes 16 inch OD and larger. Pipe is suitable for bending, flanging (van stoning), and similar forming operations. Several grades of carbon steel and alloy steel plates are covered.
Covers three grades (physical properties) of welded and seamless black pipe piles of cylindrical shape either as permanent load-carrying members or shells to form cast-in-place concrete piles. Not intended to apply to pipe for general structural purposes. Sizes 8-5/8 inch OD through 24 inch OD.
Covers ten grades (designated as TP 304, TP 304L, TP 316, TP 347, etc.) of seamless and welded stainless steel pipe intended for high-temperature and general corrosive service.
Covers seamless and welded carbon and alloy steel pipe for low-temperature service. (Special product note — Yolo pipe can be certified to meet the requirements of A333, Grade O, for service down to minus 50 degrees F.)
Covers fourteen grades, designated as P-11 (1-1/4 percent chrome, 1/2 percent moly) P-12 (1 percent chrome, 1/2 percent moly) P-5 (4-6 percent chrome, 1/2 percent moly) etc., of intermediate alloy seamless steel pipe intended for high-temperature service and suitable for bending, flanging (van stoning), and similar forming operations.
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